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AC Circuits
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This eBook was written as the sequel to the eBook titled DC Circuits, which was written in 2016 by Chad Davis.
This eBook covers Alternating Current (AC) circuit theory as well us a brief introduction of electronics. It is
broken up into seven modules. Module 1 covers the basic theory of AC signals. Since only DC sources are used in
the first eBook, details of AC signals such as sinusoidal waveforms (or sine waves), square waves, and triangle
waves are provided. Module 2, titled AC Circuits Math Background, covers the mathematics background needed
for solving AC circuit problems. The background material in Modules 1 and 2 are combined in Module 3 to solve
circuits with AC sources that include resistors, inductors, and capacitors (RLC circuits).

Subject:
Engineering
Material Type:
Textbook
Provider:
SHAREOK
Date Added:
01/07/2017
Aerodynamics and Aircraft Performance
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Aerodynamics and Aircraft Performance, 3rd edition is a college undergraduate-level introductory textbook on aircraft aerodynamics and performance. This text is designed for a course in Aircraft Performance that is taught before the students have had any course in fluid mechanics, fluid dynamics, or aerodynamics. The text is meant to provide the essential information from these types of courses that is needed for teaching basic subsonic aircraft performance, and it is assumed that the students will learn the full story of aerodynamics in other, later courses. The text assumes that the students will have had a university level Physics sequence in which they will have been introduced to the most fundamental concepts of statics, dynamics, fluid mechanics, and basic conservation laws that are needed to understand the coverage that follows. It is also assumed that students will have completed first year university level calculus sequence plus a course in multi-variable calculus. Separate courses in engineering statics and dynamics are helpful but not necessary. Any student who takes a course using this text after completing courses in aerodynamics or fluid dynamics should find the chapters of this book covering those subjects an interesting review of the material.

The 236-page text was created specifically for use by undergraduate students in Aerospace Engineering and was based on Professor Marchman’s many years of experience teaching related subject matter as well as his numerous wind tunnel research projects related to aircraft aerodynamics and his personal experience as the owner and pilot of a general aviation airplane. It has been used at Virginia Tech and other universities.

Table of Contents
1. Introduction to Aerodynamics
2. Propulsion
3. Additional Aerodynamics Tools
4. Performance in Striaght and Level Flight
5. Altitude Change: Climb and Glide
6. Range and Endurance
7. Accelerated Performance: Takeoff and Landing
8. Accelerated Performance: Turns
9. The Role of Performance in Aircraft Design: Constraint Analysis
Appendix A: Airfoil Data

Instructors reviewing, adopting, or adapting parts or the whole of the text are requested to register their interest at: https://bit.ly/aerodynamics_interest.

978-1-949373-63-9 (PDF) http://hdl.handle.net/10919/96525
978-1-949373-64-6 (ePub) http://hdl.handle.net/10919/96525
978-1-949373-62-2 (HTML/Pressbooks) https://pressbooks.lib.vt.edu/aerodynamics

Subject:
Engineering
Material Type:
Textbook
Provider:
Virginia Tech
Provider Set:
VTech Works
Author:
James F. Marchman III
Date Added:
08/09/2021
Aerodynamics and Aircraft Performance, 3rd edition
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Aerodynamics and Aircraft Performance, 3rd edition Intended for undergraduates, this text provides “stand alone” coverage of basic, subsonic, aircraft performance preceded by an introduction to the basics of aerodynamics that will provide a background sufficient to the understanding of the subjects to be studied in aircraft performance.

Subject:
Engineering
Material Type:
Textbook
Provider:
Pressbooks at Virginia Tech
Author:
Anita Walz
James F. Marchman III
Date Added:
08/19/2021
Aplicaciones y Teoría de Ingeniería de Microondas
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El actual crecimiento de las comunicaciones inalámbricas, debido al incremento de las comunicaciones de voz, vídeo y consumo de datos está causando una creciente demanda de la cantidad de canales y el ancho de banda, esto, está impulsando a los sistemas transceptores de comunicación hacia frecuencias de microondas y de ondas milimétricas para satisfacer la demanda mundial de mayores velocidades de transmisión de banda ancha, los sistemas de comunicación de comunicación inalámbrica requiere también de n desarrollo a la par de esta demanda. La Teoría electromagnética proporciona la base para todos los circuitos de microondas que hizo posible los grandes avances logrados por el campo de microondas. Es importante entender que la teoría de campo de microondas es sólo una parte de la teoría del campo electromagnético en general.

Subject:
Engineering
Material Type:
Textbook
Provider:
Project LATIn: The Latin American Open Textbook Initiative
Author:
Ebert Gabriel San Román Castillo
Efraín Zenteno Bolaños
Lee Victoria Gonzales Fuentes
Manuel Gustavo Sotomayor Polar
Patricia Raquel Castillo Araníbar
Date Added:
11/29/2017
Applied Fluid Mechanics Lab Manual
Unrestricted Use
CC BY
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This lab manual provides students with the theory, practical applications, objectives, and laboratory procedure of ten experiments. The manual also includes educational videos showing how student should run each experiment and a workbook for organizing data collected in the lab and preparing result tables and charts.

Subject:
Engineering
Material Type:
Textbook
Provider:
University of Texas at Arlington
Provider Set:
Mavs Open Press
Author:
Habib Ahmari
Date Added:
12/11/2019
BIM Planning for Facility Owners
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This Guide has been developed for facility owner organizations, along with designers, contractors, operators, and consultants who advise owners. We assume that the reader has a fundamental understanding of BIM concepts. For those readers who are not familiar with BIM, it is recommended, that you review BIM literature such as BIG BIM little bim by Jernigan (2008), the BIM Handbook by Eastman et al. (2011), or other BIM resources from the GSA, US Department of Veterans Affairs, US Army Corp of Engineers, and others. This Guide is not intended to convince an organization to use BIM, but rather how to implement it. If the organization has determined that BIM can add value to the organization, this Guide will lead them through the steps to integrate BIM into the organization. However, if the organization is unsure about implementing BIM, it may be necessary to further research the benefits and risks of BIM to make a business case for implementing BIM.

Subject:
Engineering
Material Type:
Textbook
Provider:
Penn State University
Author:
Ashwin Ramesh
Chimay Anumba
Dan Weiger
Eric Nulton
John Messner
Kim Price
Ralph Kreider
Robert Leicht
Date Added:
12/01/2020
BIM Project Execution Planning Guide, Version 3.0
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CC BY-SA
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This BIM Project Execution Planning Guide is a product of the BIM Project Execution Planning Project within the buildingSMART alliance™ (bSa), a council within the National Institute of Building Sciences. The bSa is charged with developing the National Building Information Modeling Standard – United States™ (NBIMS-US). This Guide was developed to provide a practical manual that can be used by project teams to design their BIM strategy and develop a BEP. The core modeling and information exchange concepts have been designed to complement the long-term goals of the bSa in the development of a standard that can be implemented throughout the AECOO Industry to improve the efficiency and effectiveness of BIM implementation on projects.

Subject:
Engineering
Material Type:
Textbook
Provider:
Penn State University
Author:
Chimay Anumba
Chitwan Saluja
Colleen Kasprzak
Craig Dubler
John Messner
Nevena Zikic
Ralph Kreider
Robert Leicht
Sagata Bhawani
Sean Goodman
Date Added:
04/21/2021
Basic Concepts of Structural Design for Architecture Students
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This book aims to narrate fundamental concepts of structural design to architecture students such that they have minimum involvement with math problem-solving. Within this book, students learn about different types of loads, forces and vector addition, the concept of equilibrium, internal forces, geometrical and material properties of structural elements, and rules of thumb for estimating the proportion of some structural systems such as catenary cables and arches, trusses, and frame structures.

Subject:
Engineering
Material Type:
Textbook
Provider:
PDX Pressbooks
Author:
Anahita Khodadadi
Date Added:
08/27/2021
Calculo diferencial e integral
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CC BY-SA
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Esta comunidad tiene como fin construir un texto base, que pretende ser la puerta de entrada al mundo de las matemáticas superiores y sus aplicaciones en el campo de las Ciencias de la Ingeniería.

Subject:
Engineering
Material Type:
Textbook
Provider:
Project LATIn: The Latin American Open Textbook Initiative
Author:
Alejandra Haidar
Claudia Teti
Marta Susana Bonacina
Santiago Andrés Bortolato
Date Added:
11/29/2017
Cellular Internet of Things for Practitioners
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This book describes the simplified architecture of an IoT network from the core functional perspective and then presents step-by-step procedures to establish a connection between the IoT device and platform. It practically shows how to connect a cellular IoT module to the Microsoft Azure IoT Hub using the LTE-M technology.

Subject:
Engineering
Material Type:
Textbook
Provider:
British Columbia/Yukon Open Authoring Platform
Author:
F. John Dian
Reza Vahidnia
Date Added:
04/06/2021
Cheese Making Technology e-Book
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CC BY-NC-ND
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This book is a supplement to the online lectures and learning exercises in Introduction to Cheese Technology, a short course by the Department of Food Science, University of Guelph. However, please note that, in addition to the manual, you will need to refer to other materials throughout the course. The manual is also freely available to anyone online. You may use the content for personal reference and educational purposes provided you include a citation with the appropriate URL as follows: [Hill and Ferrer, Cheese Making Technology e-Book, accessed 27 Oct 2020].We would also like to extend an invitation to any readers who may be interested in learning more about cheese technology. Please check out the online Cheese Making Certificate and associated courses at this link. If you do not wish to complete the entire certificate, you can still enroll in any of the courses.

Subject:
Engineering
Material Type:
Textbook
Provider:
University of Guelph
Author:
Arthur Hill
Mary Ann Ferrer
Date Added:
05/07/2021
Coastal Dynamics
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This textbook on Coastal Dynamics focuses on the interrelation between physical wave, flow and sediment transport phenomena and the resulting morphodynamics of a wide variety of coastal systems. The textbook is unique in that it explicitly connects the dynamics of open coasts and tidal basins; not only is the interaction between open coasts and tidal basins of basic importance for the evolution of most coastal systems, but describing the similarities between their physical processes is highly instructive as well. This textbook emphasizes these similarities to the benefit of understanding shared processes such as nonlinearities in flow and sediment transport. Some prior knowledge with respect to the dynamics of flow, waves and sediment transport is recommended.

Subject:
Engineering
Material Type:
Textbook
Provider:
Delft University of Technology
Provider Set:
Delft University OpenCourseWare
Author:
Judith Bosboom
Marcel J.F. Stive
Date Added:
02/09/2021
DC Circuits
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This book covers Direct Current (DC) circuit theory and is broken up into three modules. Module 1 covers the basics for circuits that include DC sources (voltage or current) and resistors. Even though Module 1 is not very difficult, it forms the foundation for more complicated topics in modules 2 and 3 so it is important to have a firm grasp of all Module 1 topics before moving on. Module 2 covers more difficult problem solving techniques for circuits that include only DC sources and resistors. Module 3 introduces capacitors and inductors. These non-linear reactive components are analyzed in the transient and steady state regions in circuits with DC sources in Module 3. Also annexed is a two-page cheat sheet that ENGR 2431 students at University of Oklahoma can use for exams.

Subject:
Engineering
Material Type:
Textbook
Provider:
SHAREOK
Author:
Chad Davis
Date Added:
11/13/2018
Delay Insentitive Circuits -- Structures, Semantics, and Strategies
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The design of concurrent distributed hardware systems is a major challenge for engineers today and is bound to escalate in the future, but engineering education continues to emphasize traditional tools of logic design that are just not up to the job. For engineers tackling realistic projects, improvised attempts at synchronization across multiple clock domains have long been a fact of life. Prone to hazards and metastability, these ad hoc interfaces could well be the least trustworthy aspects of a system, and typically also the least able to benefit from any readily familiar textbook techniques of analysis or verification.

Progress in the long run depends on a change of tactics. Instead of the customary but inevitably losing battle to describe complex systems in terms of their stepwise time evolution, taking their causal relationships and handshaking protocols as a starting point cuts to the chase by putting the emphasis where it belongs. This way of thinking may call for setting aside a hard earned legacy of practice and experience, but it leads ultimately to a more robust and scalable methodology.

Delay insensitive circuits rely on local coordination and control from the ground up. The most remarkable consequence of adhering to this course is that circuits can get useful things done without any clock distribution network whatsoever. Because a handshake acknowledgment concludes each interaction among primitive components and higher level subsystems alike, a clock pulse to mark them would be superfluous. This effect can bring a welcome relief to projects whose timing infrastructure would otherwise tend to create more problems than it solves.

The theory of delay insensitive circuits is not new but has not yet attracted much attention outside of its research community. At best ignored and at worst discouraged in standard curricula, this topic until now has been accessible only by navigating a sea of conference papers and journal articles, some of them paywalled. Popular misconceptions and differing conventions about terminology and notation have posed further barriers to entry. To address this need, this book presents a unified account of delay insensitive circuits from first principles to cutting edge concepts, subject only to an undergraduate-level understanding of discrete math. In an approachable tutorial format with numerous illustrations, exercises, and over three hundred references, it guides an engineering professional or advanced student towards proficiency in this extensive field.

Subject:
Computer Science
Engineering
Electronic Technology
Material Type:
Textbook
Author:
Dennis Furey
Date Added:
07/16/2019
The Delft Sand, Clay & Rock Cutting Model
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In dredging, trenching, (deep sea) mining, drilling, tunnel boring and many other applications, sand, clay or rock has to be excavated. This book gives an overview of cutting theories. It starts with a generic model, which is valid for all types of soil (sand, clay and rock) after which the specifics of dry sand, water saturated sand, clay, atmospheric rock and hyperbaric rock are covered. For each soil type small blade angles and large blade angles, resulting in a wedge in front of the blade, are discussed. For each case considered, the equations/model for the cutting forces, power and specific energy are given. The models are verified with laboratory research, mainly at the Delft University of Technology, but also with data from literature.

Subject:
Engineering
Maritime Science
Material Type:
Textbook
Author:
Sape A. Miedema
Date Added:
01/24/2019
Digging into Canadian Soils
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Written entirely by members of the Canadian Society of Soil Science, "Digging into Canadian Soils: An Introduction to Soil Science" provides an introduction to the core disciplines of soil science, and introduces the concepts and vocabulary needed by students just beginning their soil science journey. The textbook provides supplementary materials that are specific to regions in Canada, or may be of specific interest beyond what might be considered introductory soil science material. Importantly, the textbook also is intended to introduce students to the Canadian System of Soil Classification by providing examples from across the length and breadth of the world’s second largest country, and to the Canadian Society of Soil Science, whose members share a common passion for soil science and are keen to share and instill this passion with students across Canada.

Subject:
Engineering
Material Type:
Textbook
Provider:
University of Saskatchewan
Author:
Amanda Diochon
Canadian Society of Soil Science
Fran Walley
Maja Krzic
Maxime C. Paré
Richard Farrell
Date Added:
08/29/2021
Direct Energy
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CC BY-NC
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Direct Energy Conversion discusses both the physics behind energy conversion processes and a wide variety of energy conversion devices. A direct energy conversion process converts one form of energy to another through a single process. The first half of this book surveys multiple devices that convert to or from electricity including piezoelectric devices, antennas, solar cells, light emitting diodes, lasers, thermoelectric devices, and batteries. In these chapters, physical effects are discussed, terminology used by engineers in the discipline is introduced, and insights into material selection is studied. The second part of this book puts concepts of energy conversion in a more abstract framework. These chapters introduce the idea of calculus of variations and illuminate relationships between energy conversion processes.

Subject:
Engineering
Material Type:
Textbook
Provider:
Trine University
Author:
Andrea Mitofsky
Date Added:
01/01/2018
Dredging Engineering: Special Topics
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CC BY-NC-SA
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In dredging, production estimating is carried out mainly with analytical physical models of the different dredging processes.
Slurry transport of settling slurries and cutting processes in sand, clay and rock are already covered in two other books by the author.
Other processes like hopper sedimentation and erosion, water jet fluidization, cutter head spillage, pump/pipeline dynamics and clamshell dredging are covered in this Special Topics Edition.
New topics may be added in the near future.

Subject:
Engineering
Maritime Science
Material Type:
Textbook
Author:
S.A. Miedema
Date Added:
07/15/2019
Electromagnetics, Volume 1
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CC BY-SA
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5.0 stars

Electromagnetics Volume 1 by Steven W. Ellingson is a 225-page, peer-reviewed open educational resource intended for electrical engineering students in the third year of a bachelor of science degree program. It is intended as a primary textbook for a one-semester first course in undergraduate engineering electromagnetics. The book employs the “transmission lines first” approach in which transmission lines are introduced using a lumped-element equivalent circuit model for a differential length of transmission line, leading to one-dimensional wage equations for voltage and current.

Suggested citation: Ellingson, Steven W. (2018) Electromagnetics, Vol. 1. Blacksburg, VA: VT Publishing. https://doi.org/10.21061/electromagnetics-vol-1 CC BY-SA 4.0

Three formats of this book are available:
Print (ISBN 978-0-9979201-8-5)
PDF (ISBN 978-0-9979201-9-2)
LaTeX source files

If you are a professor reviewing, adopting, or adapting this textbook please help us understand a little more about your use by filling out this form: http://bit.ly/vtpublishing-updates

Additional Resources
Problem sets and the corresponding solution manual are also available.
Community portal for the Electromagnetics series https://www.oercommons.org/groups/electromagnetics-user-group/3455/
Faculty listserv for the Electromagnetics series https://groups.google.com/a/vt.edu/d/forum/electromagnetics-g
Submit feedback and suggestions http://bit.ly/electromagnetics-suggestion

Table of Contents:
Chapter 1: Preliminary Concepts
Chapter 2: Electric and Magnetic Fields
Chapter 3: Transmission Lines
Chapter 4: Vector Analysis
Chapter 5: Electrostatics
Chapter 6: Steady Current and Conductivity
Chapter 7: Magnetostatics
Chapter 8: Time-Varying Fields
Chapter 9: Plane Waves in Lossless Media
Appendixes
A. Constitutive Parameters of Some Common Materials
B. Mathematical Formulas
C. Physical Constants

About the Author: Steven W. Ellingson (ellingson@vt.edu) is an Associate Professor at Virginia Tech in Blacksburg, Virginia in the United States. He received PhD and MS degrees in Electrical Engineering from the Ohio State University and a BS in Electrical & Computer Engineering from Clarkson University. He was employed by the US Army, Booz-Allen & Hamilton, Raytheon, and the Ohio State University ElectroScience Laboratory before joining the faculty of Virginia Tech, where he teaches courses in electromagnetics, radio frequency systems, wireless communications, and signal processing. His research includes topics in wireless communications, radio science, and radio frequency instrumentation. Professor Ellingson serves as a consultant to industry and government and is the author of Radio Systems Engineering (Cambridge University Press, 2016).

This textbook is part of the Open Electromagnetics Project led by Steven W. Ellingson at Virginia Tech. The goal of the project is to create no-cost openly-licensed content for courses in undergraduate engineering electromagnetics. The project is motivated by two things: lowering learning material costs for students and giving faculty the freedom to adopt, modify, and improve their educational resources.

Accessibility features of this book: Screen reader friendly, navigation, and Alt-text for all images and figures.

Publication of this book was made possible in part by the Open Education Faculty Initiative Grant program at the University Libraries at Virginia Tech. http://guides.lib.vt.edu/oer/grants

Subject:
Engineering
Physics
Material Type:
Activity/Lab
Textbook
Provider:
Virginia Tech
Provider Set:
VTech Works
Author:
Steven W. Ellingson
Date Added:
08/23/2018
Electromagnetics, Volume 2
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Electromagnetics, volume 2 by Steven W. Ellingson is a 216-page peer-reviewed open textbook designed especially for electrical engineering students in the third year of a bachelor of science degree program. It is intended as the primary textbook for the second semester of a two-semester undergraduate engineering electromagnetics sequence. The book addresses magnetic force and the Biot-Savart law; general and lossy media; parallel plate and rectangular waveguides; parallel wire, microstrip, and coaxial transmission lines; AC current flow and skin depth; reflection and transmission at planar boundaries; fields in parallel plate, parallel wire, and microstrip transmission lines; optical fiber; and radiation and antennas.

Table of Contents:
Chapter 1: Preliminary Concepts
Chapter 2: Magnetostatics Redux
Chapter 3: Wave Propagation in General Media
Chapter 4: Current Flow in Imperfect Conductors
Chapter 5: Wave Reflection and Transmission
Chapter 6: Waveguides
Chapter 7: Transmission Lines Redux
Chapter 8: Optical Fiber
Chapter 9: Radiation
Chapter 10: Antennas
Appendix A: Constitutive Parameters of Some Common Materials
Appendix B: Mathematical Formulas
Appendix C: Physical Constants

Additional Resources
Problem sets and the corresponding solution manuals
Slides of figures used in and created for the book
LaTeX sourcefiles.
Screen-reader friendly version
Errata for Volume 2
Collaborator portal for the Electromagnetics series https://www.oercommons.org/groups/electromagnetics-user-group/3455
Faculty listserv for the Electromagnetics series
Submit feedback and suggestions

The Open Electromagnetics Project https://www.faculty.ece.vt.edu/swe/oem
Led by Steven W. Ellingson at Virginia Tech, the goal of the Open Electromagnetics Project is to create no-cost openly-licensed content for courses in engineering electromagnetics. The project is motivated by two things: lowering learning material costs for students and giving faculty the freedom to adopt, modify, and improve their educational resources.

Books in this Series
Electromagnetics, Volume 1 https://doi.org/10.21061/electromagnetics-vol-1
Electromagnetics, Volume 2 https://doi.org/10.21061/electromagnetics-vol-2

To express your interest in a book or this series, please visit http://bit.ly/vtpublishing-updates

Subject:
Engineering
Physics
Material Type:
Activity/Lab
Textbook
Provider:
Virginia Tech
Provider Set:
VTech Works
Author:
Steven W. Ellingson
Date Added:
12/16/2019